import java.util.ArrayList;

/**
 * @author mubei
 * @date 2021/12/10
 * @description
 */
public class Demo02 {

    public static void main(String[] args) {
        String str = "\ta\017bc";
        char[] chars = str.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            System.out.println((char)chars[i]);
        }
        System.out.println(str.length());
    }
}
